.banner{
    height: 600px;
}
.banner1{
    background: url("../img/banner.jpg");
}
.banner2{
    background: url("../img/banner2.jpg");
}
.banner3{
    background: url("../img/banner3.jpg") no-repeat;
    background-size: cover;
}
@media (max-width: 600px) {
    .banner{
        height: 230px;
    }
    .banner1{
        background: url("../img/banner.jpg") center center no-repeat;
        background-size: cover;
    }
    .banner2{
        background: url("../img/banner2.jpg") center center no-repeat;
        background-size: cover;
    }
    .banner3{
        background: url("../img/banner3.jpg") center center no-repeat;
        background-size: cover;
    }
}
.col-b{
    background: url("../img/banner4.jpg");
}
.card .card-text{
    overflow: hidden;
    white-space: nowrap;
}
.col-footer{
    padding-top: 10px;
}
.footer{
    padding-top: 30px;
    padding-bottom: 30px;
    background-color: #f5f5f5;
}
.col-md-3 h4{
     font-size: 14px;
}
.col-md-3 a{
    font-size: 14px;
}